Finding the Fourth Proportional to 1,552,279.61, 2,142,216.27 and 863,995.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,552,279.61 : 2,142,216.27 = 863,995.40 : x
2. Step 2: Convert to fraction form
   1,552,279.61/2,142,216.27 = 863,995.40/x
3. Step 3: Cross multiply
   1,552,279.61x = 2,142,216.27 × 863,995.40
4. Step 4: Simplify right side
   1,552,279.61x = 1,850,865,003,085.16
5. Step 5: Solve for x
   x = 1,850,865,003,085.16/1,552,279.61
6. Step 6: Final answer
   x = 1,192,352.84